2004 Aston Martin DB9 vs. 1973 Porsche 917
To start off, 2004 Aston Martin DB9 is newer by 31 year(s). Which means there will be less support and parts availability for 1973 Porsche 917. In addition, the cost of maintenance, including insurance, on 1973 Porsche 917 would be higher. At 5,930 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 1973 Porsche 917 (520 HP) has 70 more horse power than 2004 Aston Martin DB9. (450 HP) In normal driving conditions, 1973 Porsche 917 should accelerate faster than 2004 Aston Martin DB9. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 912 kg more than 1973 Porsche 917.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1973 Porsche 917 (610 Nm) has 40 more torque (in Nm) than 2004 Aston Martin DB9. (570 Nm). This means 1973 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 2004 Aston Martin DB9.
Compare all specifications:
| 2004 Aston Martin DB9 | 1973 Porsche 917 | |
| Make | Aston Martin | Porsche |
| Model | DB9 | 917 |
| Year Released | 2004 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5930 cc | 4994 cc |
| Horse Power | 450 HP | 520 HP |
| Torque | 570 Nm | 610 Nm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1710 kg | 798 kg |
